<template>
    <div>
      <el-breadcrumb separator-class="el-icon-arrow-right">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>报表管理</el-breadcrumb-item>
        <el-breadcrumb-item>报表视图</el-breadcrumb-item>
      </el-breadcrumb>
      <el-card>
        <!-- 为ECharts准备一个具备大小（宽高）的Dom -->
        <div id="main" style="width: 600px;height:400px;"></div>
      </el-card>
    </div>
</template>

<script>
  import echarts from 'echarts'
  import _ from 'lodash'
    export default {
        data() {
            return {
              options: {
                title: {
                  text: '用户来源'
                },
                tooltip: {
                  trigger: 'axis',
                  axisPointer: {
                    type: 'cross',
                    label: {
                      backgroundColor: '#E9EEF3'
                    }
                  }
                },
                grid: {
                  left: '3%',
                  right: '4%',
                  bottom: '3%',
                  containLabel: true
                },
                xAxis: [
                  {
                    boundaryGap: false
                  }
                ],
                yAxis: [
                  {
                    type: 'value'
                  }
                ]
              }

            }
        },
        created() {
        },
        // 页面渲染完毕执行
        async mounted() {
          // 基于准备好的dom，初始化echarts实例
          var myChart = echarts.init(document.getElementById('main'));
          // 后台获取图表信息
          const {data: res} = await this.$http.get('reports/type/1');
          if (res.meta.status !== 200) return this.$message.error({message: '获取图表信息失败！'});
          // 合并配置数据项
          const result = _.merge(res.data, this.options);
          // 使用刚指定的配置项和数据显示图表。
          myChart.setOption(result);
        },
        methods: {}
    }
</script>

<style scoped>

</style>
